与Tkinter讨论

debugcn 发表于 Dev

伊兰·罗斯勒（Ilan Rossler）

from tkinter import *

window = Tk()

ia_answers= "trolol"
input_frame = LabelFrame(window, text="User :", borderwidth=4)
input_frame.pack(fill=BOTH, side=BOTTOM)

input_user = StringVar()
input_field = Entry(input_frame, text=input_user)
input_field.pack(fill=BOTH, side=BOTTOM)

ia_frame = LabelFrame(window, text="Discussion",borderwidth = 15, height = 100, width = 100)
ia_frame.pack(fill=BOTH, side=TOP)

user_says = StringVar()
user_text = Label(ia_frame, textvariable=user_says, anchor = NE, justify =   RIGHT, bg="white") 
user_text.pack(fill=BOTH, side=TOP) 

ia_says = StringVar()
ia_text = Label(ia_frame, textvariable=ia_says, anchor = W, justify = LEFT, bg="white") 
ia_text.pack(fill=BOTH, side=BOTTOM) 

def Enter_pressed(event):
    """Took the current string in the Entry field."""
    input_get = input_field.get()
    input_user.set("")
    user_says.set(input_get + "\n\n")
    ia_says.set(ia_answers)

input_field.bind("<Return>", Enter_pressed)
window.mainloop()

嗨，我正在尝试建立一个讨论机器人。

当我执行代码时，输入字段中的问题和答案会正确显示。

问题是输入下一个句子后，上一个问题/答案将被删除。这是一个例子：

Hello Bot
Hello User
(then the text disappears)
How are you
Fine thank you

我想要的是：

Hello Bot
Hello User
(then the text stays in the frame)
How are you
Fine thank you

阿南德·库玛（Anand S Kumar）

该问题发生在行中-

user_says.set(input_get + "\n\n")
ia_says.set(ia_answers)

您将替换users_says.set()并ia_says.set()用新值重置完整的Labels。相反，您应该获取旧值，然后将新值附加到该值上并重新设置，例如-

user_says.set(user_says.get() + input_get + "\n")
ia_says.set(ia_says.get() + ia_answers + "\n")

或者，您也可以为每个新事件创建一个新标签，并将其添加到中LabelFrame。例子 -

from tkinter import *

window = Tk()

ia_answers= "trolol\n"
input_frame = LabelFrame(window, text="User :", borderwidth=4)
input_frame.pack(fill=BOTH, side=BOTTOM)

input_user = StringVar()
input_field = Entry(input_frame, text=input_user)
input_field.pack(fill=BOTH, side=BOTTOM)

ia_frame = LabelFrame(window, text="Discussion",borderwidth = 15, height = 100, width = 100)
ia_frame.pack(fill=BOTH, side=TOP)

user_says = StringVar()
user_text = Label(ia_frame, textvariable=user_says, anchor = NE, justify =   RIGHT, 

bg="white") 
user_text.pack(fill=X) 

ia_says = StringVar()
ia_text = Label(ia_frame, textvariable=ia_says, anchor = NW, justify = LEFT, bg="white") 
ia_text.pack(fill=X) 

user_texts = []
ia_texts = []
user_says_list = []
ia_says_list = []
def Enter_pressed(event):
    """Took the current string in the Entry field."""
    input_get = input_field.get()
    input_user.set("")
    user_says1 = StringVar()
    user_says1.set(input_get + "\n")
    user_text1 = Label(ia_frame, textvariable=user_says1, anchor = NE, justify =   RIGHT, 

bg="white") 
    user_text1.pack(fill=X)
    user_texts.append(user_text1)
    user_says_list.append(user_says1)
    ia_says1 = StringVar()
    ia_says1.set(ia_answers)
    ia_text1 = Label(ia_frame, textvariable=ia_says1, anchor = NW, justify = LEFT, 

bg="white") 
    ia_text1.pack(fill=X)
    ia_texts.append(ia_text1)
    ia_says_list.append(ia_says1)

input_field.bind("<Return>", Enter_pressed)
window.mainloop()

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